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Fig. 3

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ZDB-IMAGE-180710-45
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Figures for Kenyon et al., 2018
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Fig. 3

Binary transgenic zebrafish model for regulatory profiling of myeloid cells. (A) Schematic of myeloid nuclear biotagging system. When biotagging effector transgenic zebrafish line ubiquitously expressing Avi-tagged Rangap for biotinylation of nuclei is crossed to biotagging driver line expressing BirA in myeloid-specific manner, only the macrophage or neutrophil nuclei will be biotinylated. (B) Transgene expression in macrophage-specific BirA driver, TgBAC(mpeg1:BirA-Citrine)ox122, is amplified with anti-GFP–Alexa-Fluor-488 to show expression in macrophages. (C) TgBAC(mpx:BirA-Citrine)ox121 biotagging transgenic driver shows neutrophil-specific expression. (D,E) Projection of confocal microscope images of Tg(bactin:Avi-Cerulean-Rangap)ct700a shows ubiquitous expression of the biotag effector specifically on nuclei, across somite region of the embryo, with (D) and without (E) bright field background. The images in D and E are taken in different embryos. (F,G) Tailfins of transgenic fish transected at 3 dpf show responding macrophages in mpeg1:BirA-Citrine (F) and neutrophils in mpx:BirA-Citrine (G) larvae at 5 hpi or 1 hpi, respectively, as indicated by green arrows.

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